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Mathematics SAT test paper 2

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                                       Mathematics SAT Total 25 Questions  1    1)  If 7 times a number is 84, what is 4 times the number?) 16 28 48 56   Ans:-7x = 84             X = 84/7 = 12 4x = 4*12 = 48   2)    If     + 22 = 38, what is the value of   x   ? A. 4 B. 16 C. 32 D. 256 Correct Answer:  D Explanation:   + 22 = 38,     = 38-22  =16   ( ) 2  = 16 2 , so  x  = 256. Choice (D) is correct. 3)     For the equation     =   x   + 3, the value of   m   is -3. What is the solution set for the equation? A. {-3, 3} B. {-2} C. {-2, -7} D. {3, 6} Correct Answer:  B Explanation:   =   x   + 3.........(i) put  m=-3  = ( x  + 3) 2 :...